ClamAV Cascading Style Sheets Image Parsing Error Handling Denial of Service Vulnerability
A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-20031US | — | — | ||
A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affecte… | ||||
references
External citations — patches, advisories, analysis.
- Security Vulnerability Policyexternal
- CSCwr70252external
- CSCwr70255external
- CSCwr70257external
- CSCwr70268external
- ClamAV Cascading Style Sheets Image Parsing Error Handling Denial of Service Vulnerabilityself
- Cisco Security Vulnerability Policyexternal
- Security Risk Assessmentexternal
remediations (147)
- Fixed1.10.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.10.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.10.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.11.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.11.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.12.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.13.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.13.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.13.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.14.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.14.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.15.6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.16.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.16.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.16.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.16.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.17.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.17.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.17.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.18.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.18.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.19.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.20.8
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.21.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.21.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.21.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.21.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.22.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.22.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.22.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.22.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.22.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.23.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.23.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.24.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.25.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.25.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.25.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.26.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.26.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.27.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.27.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.27.2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.6.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.7.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.8.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.8.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.8.4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.9.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed1.9.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.0.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.0.9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.1.9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.2.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.2.19
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.2.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.2.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.2.9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.3.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.3.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.3.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed6.3.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.0.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.1.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.1.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.2.11
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.2.13
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.2.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.2.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.2.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.13
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.15
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.3.9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.1.20425
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.1.20439
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.3.20679
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.4.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.1.20813
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.1.20833
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.11
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.13.21586
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.13.21598
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.15.21611
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.17.21680
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.19
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.20
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.21.21732
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed7.5.9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.0.1.21160
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.0.1.21164
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.3.21242
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.5.21322
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.7.21417
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.7.21512
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.1.7.21585
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.2.1.21612
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.2.1.21650
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.2.3.30119
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.2.4.30130
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.0
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.1.30298
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.1.30307
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.2.30317
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.4.30419
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.4.30467
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed8.4.5.30483
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - FixedCisco Secure Endpoint Private Cloud Console
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
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